REGEX_MOBILE = "^1[358]\d{9}$|^147\d{8}$|^176\d{8}$"

REGEX_USERNAME = "^[a-zA-Z0-9_-]{4,11}$"

REGEX_EMAIL = "^[a-z0-9A-Z]+[- | a-z0-9A-Z . _]+@([a-z0-9A-Z]+(-[a-z0-9A-Z]+)?\\.)+[a-z]{2,}$"
